http://www.myclearshield.com/en/home New generation of protection: behavior-based security ClearShield is a behavior-based security system that picks up where Microsoft Vista leaves off. While Vista has significantly improved operating system security, it is not intended to counter every single new and emerging threat. ClearShield was designed specifically as a complement to Vista, protecting Vista users from the three most dangerous types of threats not addressed by Vista or traditional security products: ... Interesting , one of the first products that was designed for Vista (32 bit) only. Currently beta.